# NordicTrack C1900 NTL1094.2 Treadmill RPM Speed Sensor (SS439)

\## NordicTrack C1900 NTL1094.2 Treadmill RPM Speed Sensor

The NordicTrack C1900 NTL1094.2 Treadmill RPM Speed Sensor is a replacement treadmill sensor used to detect rotational speed during operation. If your NordicTrack C1900 treadmill has a faulty or worn RPM sensor, this preowned replacement part may help you restore the correct sensor component without replacing the entire machine. The product is identified as \*\*SS439\*\*, with part number \*\*157504\*\*.

## Product Details and Benefits

This product is a \*\*treadmill RPM speed sensor\*\* made for the NordicTrack C1900 treadmill, model \*\*NTL1094.2\*\*. The sensor supports the treadmill’s speed-sensing system by detecting rotational movement. A functioning RPM sensor helps the machine receive the speed information it needs during use.

The part is listed in \*\*preowned condition\*\*. Each component has been carefully inspected by skilled technicians for performance and safety before being offered for sale. Because this is a used fitness-equipment part, it provides a practical option for repairing an existing treadmill while avoiding the cost of replacing a larger assembly.

The product listing uses the following identifiers:

\- \*\*Brand:\*\* NordicTrack  
\- \*\*Product:\*\* C1900 NTL1094.2 Treadmill RPM Speed Sensor  
\- \*\*Category:\*\* Treadmill Sensors  
\- \*\*Part number:\*\* 157504  
\- \*\*SKU:\*\* SS439  
\- \*\*Barcode:\*\* SS439  
\- \*\*Condition:\*\* Preowned

A replacement sensor can help when the original component no longer works correctly or when you need a matching part for treadmill repair or maintenance. Reusing an inspected fitness part can also extend the service life of existing equipment and reduce unnecessary waste.

## Compatibility and Applications

This RPM speed sensor is a replacement part for the \*\*NordicTrack C1900 treadmill, model NTL1094.2\*\*. It is designed to replace the original treadmill speed-sensing component identified with part number \*\*157504\*\*.

Use this part for repair or replacement work involving the RPM speed sensor on the specified NordicTrack treadmill. Compatibility should be based on the exact treadmill model and the original part number, rather than on appearance alone. The product is not described as a universal treadmill sensor, so do not assume it fits other NordicTrack models or other treadmill brands.

\## Why Choose This Replacement Part?

Choosing an inspected preowned sensor may help you repair an older NordicTrack treadmill while keeping the existing equipment in service. It offers a way to replace the specific RPM sensor instead of searching for an entire treadmill system or assembly. The exact model and part identification also make it easier to compare the replacement with the component already installed in your machine.

## Before You Buy

Confirm that your treadmill is a \*\*NordicTrack C1900 NTL1094.2\*\* and check whether the original sensor carries part number \*\*157504\*\*. The listing SKU and barcode are \*\*SS439\*\*. Product images are provided for reference only. The seller carries multiple units, so the part you receive may look slightly different from the photographs, but it will be the exact model and part listed.

Installation instructions, dimensions, materials, warranty details, and package quantity are not specified. Contact the seller if you need additional information before ordering.

## Details

- **Price:** 29.99 USD
- **Vendor:** NordicTrack
- **Type:** Treadmill Sensors
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 29.99 USD | In stock |

## Images

- SS439
- SS439
- SS439
- SS439

## Additional Information

- **PartNumber:** 157504
- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/nordictrack-c1900-ntl1094-2-treadmill-rpm-speed-sensor-ss439)
> Updated: 2026-08-29